.box {
    width: 100%;
    height: 100%;
    position: relative;
}

.fff {
    position: fixed;
    width: 100%;
    z-index: 9999;
}

.shang {
    width: 100%;
    height: 60px;
}

.shang div {
    width: 18%;
    height: 20px;
    border: 1px solid #000;
    float: left;
    margin: 10px;
    text-align: center;
    line-height: 20px;
}

.okoko {
    width: 100%;
    height: 70px;
}

h5 {
    width: 100%;
    background: #ccc;
}

.okoko1 {
    width: 18%;
    height: 20px;
    border: 1px solid #000;
    float: left;
    margin: 10px;
    text-align: center;
    line-height: 20px;
}

.xiaaaa {
    width: 100%;
    height: 400px;
    margin-top: 70px;
    // background: #ccc;
}

.xiaaaa h5 {
    width: 100%;
    background: #ccc;
}

.ojoj {
    width: 18%;
    height: 20px;
    border: 1px solid #000;
    float: left;
    margin: 10px;
    text-align: center;
    line-height: 20px;
}

.ttt {
    width: 100%;
    height: 100%;
    display: flex;
}

.zuo {
    flex: 1;
}

.you {
    flex: 3;
}

.shuju {
    width: 100%;
    height: 100%;
    padding-top: 100px;
}

.container {
    height: 100vh;
    background-color: #ffffff;
    display: flex;
    justify-content: flex-start;
    align-items: stretch;

    [data-prefers-color='dark'] & {
        background-color: unset;
    }
}

.side {
    flex: none;
}

.main {
    flex: auto;
}

.content {
    height: 100%;
    display: none;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    color: #000;

    &.active {
        display: flex;
        flex-direction: column;
        flex-wrap: nowrap;
        justify-content: space-around;
    }
}